C-2
L V
Range a
b c
6 - 12mm .275 - .5” 2
— 2.5
12 - 20mm .5 - .8” 0.3
5.6 3.5
20 - 30mm .8 - 1.2” 0.3
8.3 5.2
30 - 50mm 1.2 - 2 0.3
13 10
50 - 100mm 2 - 4 0.3
17 14
100 - 300mm 4 - 12 12.4
21 13.8
DIMENSIONS AND MASS
Unit: mm
SERIES 468 — Three-Point Internal Micrometers FEATURES
UÊ VÌi`ÊiÃÕÀ}ÊVÌVÌÊ«ÌÃ provide excellent durability and impact
resistance and allow the instrument to measure to the bottom of a blind hole
up to 100mm 4”models.
UÊÀ}iÊ
ÊÀi`ÕÌ° UÊÕVÌÃÊÛLi\ÊÀiÃiÌÌ}]
ZeroABS, Auto power OnOff, Data hold, Data output, Error alarm,
Battery replacement alarm. UÊ7Ì
Ê,ÌV
iÌÊ-Ì«ÊvÀÊVÃÌÌÊvÀVi°
ÊVÌi`ÊVÌVÌÊ«ÌÃ -10 suffix models only
UÊ
ÊiÃÕÀiÊ`ii«Ê
iÃÊLÞÊÌÌV
}ÊÊ Extension rod optional.
UÊ-iÌÌ}ÊÀ}ÃÊvÀÊÀ}Ê«ÌÊÃiÌÌ}ÊÀiÊ optional.
UÊ-Õ««i`ÊÊwÌÌi`Ê«ÃÌVÊVÃiÊÕ«ÊÌÊ 100mm 4”. Over 100mm 4” supplied in
wooden case.
Measuring a Blind Hole
The measuring contact points held in the jaws permit measuring the diameter of a
blind hole to the bottom. up to 100mm 4”models
Technical Data
Accuracy: Refer to the list of specifications.
Resolution: 0.001mm or .000050.001mm over 4 - 5 models: .00010.001mm
ÌVÌÊ«Ì\Ê ÊVÌ} Measuring method: Three-point method
Display: LCD Battery:
SR44 2 pcs., 938882
Battery life: Approx. 8 months under normal use
Function
iÀÉ -]ÊÕÌÊÜiÀÊÉvv]ÊÌÊ
`]ÊÌÊÕÌ«ÕÌ]Ê ÀiÃiÌ]Êinchmm conversion on inchmetric models only
Alarm: Low voltage, Counting value composition error
Optional Accessories
05CZA662\Ê -
ÊVLiÊ£ÊÉÊ{ä»® 05CZA663\Ê -
ÊVLiÊÓÊÉÊnä»®
04AZB157: Mounting plate for stand 156-101: Stand
952322: Extension rod 100mm 3.94”
Ê ÀÊÀ}iÊÈ£ÓÊÉÊ°ÓÇxÊÊ°x»Ê`iÃ
952621:
Extension rod 150mm 5.9” Ê
ÀÊÀ}iÊ£ÓÓäÊÉÊ°x¸ÊÊ°n»Ê`iÃ
952622: Extension rod 150mm 5.9”
Ê ÀÊÀ}iÊÓäxäÊÉÊ°n¸ÊÊÓ»Ê`iÃ
952623: Extension rod 150mm 5.9”
Ê ÀÊÀ}iÊxäÎääÊÉÊÓ¸ÊÊ£Ó»Ê`iÃ
468-261 468-263
468-274
Range L
Mass g 6 - 8mm .275 - .35”
45 400
8 - 10mm .35 - .425” 45
400 10 - 12mm .425 - .5”
45 400
12 - 16mm .5 - .65” 76
430 16 - 20mm .65 - .8”
76 430
20 - 25mm .8 - 1 91
500 25 - 30mm 1 - 1.2
103 510
30 - 40mm 1.2 - 1.6 103
510 40 - 50mm 1.6 - 2
102 530
50 - 63mm 2 - 2.5 105
650 62 - 75mm 2.5 - 3.0
105 660
75 - 88mm 3.0 - 3.5 105
990 87 - 100mm 3.5 - 4.0 105
1000 100 - 125mm 4 - 5
151 970
125 - 150mm 5 - 6 151
1060 150 - 175mm 6 - 7
151 1150
175 - 200mm 7 - 8 151
1240 200 - 225mm 8 - 9
151 1330
225 - 250mm 9 - 10 151
1420 250 - 275mm 10 - 11 151
1510 275 - 300mm 11 - 12 151
1600
04AZB157
US-1001
C-3 SPECIFICATIONS
Metric
Range
Order No.
Accuracy 6 - 8mm
468-161 ±2μm
8 - 10mm 468-162
±2μm 10 - 12mm
468-163 ±2μm
12 - 16mm 468-164
±2μm 16 - 20mm
468-165 ±2μm
20 - 25mm
468-166
±3μm 25 - 30mm
468-167 ±3μm
30 - 40mm 468-168
±3μm 40 - 50mm
468-169 ±3μm
50 - 63mm 468-170
±3μm 62 - 75mm
468-171 ±3μm
75 - 88mm
468-172
±3μm 87 - 100mm
468-173 ±3μm
100 - 125mm 468-174
±5μm 125 - 150mm
468-175 ±5μm
150 - 175mm 468-176
±5μm 175 - 200mm
468-177
±5μm 200 - 225mm
468-178
±5μm 225 - 250mm
468-179 ±5μm
250 - 275mm 468-180
±5μm 275 - 300mm
468-181 ±5μm
InchMetric
Range
Order No.
Accuracy .275 - .35 6.925 - 8.89mm
468-261 ±.0001
.35 - .425 8.89 - 10.795mm 468-262
±.0001 .425 - .5 10.795 - 12.7mm
468-263 ±.0001
.5 - .65 12.7 - 16.51mm 468-264
±.0001 .65 - .8 16.51 - 20.32mm
468-265 ±.0001
.8 - 1 20.32 - 25.4mm
468-266 ±.00015
1 - 1.2 25.4 - 30.48mm 468-267
±.00015 1.2 - 1.6 30.48 - 40.64mm
468-268 ±.00015
1.6 - 2 40.64 - 50.8mm 468-269
±.00015 2 - 2.5 50.8 - 63.5mm
468-270 ±.00015
2.5 - 3 63.5 - 76.2mm
468-271 ±.00015
3 - 3.5 76.2 - 88.9mm
468-272 ±.00015
3.5 - 4 88.9 - 101.6mm 468-273
±.00015 4 - 5 101.6 - 127mm
468-274 ±.00025
5 - 6 127 - 152.4mm 468-275
±.00025 6 - 7 152.4 - 177.8mm
468-276 ±.00025
7 - 8 177.8 - 203.2mm
468-277 ±.00025
8 - 9 203.2 - 228.6mm
468-278 ±.00025
9 - 10 228.6 - 254mm 468-279
±.00025 10 - 11 254 - 279.4mm
468-280 ±.00025
11 - 12 279.4 - 304.8mm 468-281
±.00025
Metric
Range Order No.
Individual range Setting rings included
Remarks 6 - 12mm
468-981 6-8, 8-10, 10-12mm
ø8mm, ø10mm —
12 - 25mm 468-982
12-16, 16-20, 20-25mm ø16mm, ø20mm
— 25 - 50mm
468-983
25-30, 30-40, 40-50mm ø30mm, ø40mm
— 50 - 75mm
468-984
50-63, 62-75mm ø62mm
— 75 - 100mm
468-985 75-88, 87-100mm
ø87mm —
InchMetric
Range
Order No.
Individual range Setting rings included
Remarks .275 - .5 6.925 - 12.7mm
468-986 .275-.35, .35-.425, .425-.5 .35 DIA., .425 DIA.
— .5 - 1 12.7 - 25.4mm
468-987 .5-.65, .65-.8, .8-1
.65 DIA., .8 DIA. —
1 - 2 25.4 - 50.8mm 468-988
1-1.2, 1.2-1.6, 1.6-2 1.2 DIA., 1.6 DIA.
— 2 - 3 50.8 - 76.2mm
468-989 2-2.5, 2.5-3
2.5 DIA. —
3 - 4 76.2 - 101.6mm 468-990
3-3.5, 3.5-4 3.5 DIA.
—
Metric
Range Order No.
Individual range Setting rings included
Remarks 6 - 12mm
468-971 6-8, 8-10, 10-12mm
ø8mm, ø10mm with extension rod
12 - 20mm 468-972
12-16, 16-20mm ø16mm.
with extension rod 20 - 50mm
468-973 20-25, 25-30, 30-40, 40-50mm
ø25mm, ø40mm with extension rod
50 - 100mm
468-974
50-63, 62-75, 75-88, 87-100mm ø62mm, ø87mm
with extension rod 100 - 200mm
468-975
100-125, 125-150, 150-175, 175-200mm ø125mm, ø175mm
with extension rod
InchMetric
Range Order No.
Individual range Setting rings included
Remarks .275 - .5 6.925 - 12.7mm
468-976 .275-.35, .35-.425, .425-.5
.35 DIA., .425 DIA. with extension rod
.5 - .8 12.7 - 20.32mm 468-977
.5-.65, .65-.8 .65 DIA.
with extension rod .8 - 2 20.32 - 50.8mm
468-978 .8-1, 1-1.2, 1.2-1.6, 1.6-2
1 DIA., 1.6 DIA. with extension rod
2 - 4 50.8 - 101.6mm
468-979 2-2.5, 2.5-3, 3-3.5, 3.5-4
2.5 DIA., 3.5 DIA with extension rod
4 - 8 101.6 - 203.2mm
468-980 4-5, 5-6, 6-7, 7-8
5 DIA., 7 DIA. with extension rod
Complete Unit Set
Each set includes complete gages display units and measuring heads for each size.
Interchangeable Head Set
Each set includes one display unit with interchangeable measuring heads of the sizes specified.
468-978
with coated contact points
with coated contact points
with coated contact points
with coated contact points
with coated contact points
Individual Individual
468-986
US-1001
C-4
L V
Carbide pin
Carbide ball
Carbide pin
Carbide ball
Contact point
Cone
Contact point
Carbide tip or TiN coating Cone
DIMENSIONS
Unit: mm
Measuring a Blind Hole
The measuring contact points held in the jaws permit measuring the diameter of a
blind hole right down to the bottom up to 100mm 4”models.
Range a
b c
2 - 6mm .08 - .275” —
— 2
6 - 12mm .275 - .5” 2
— 2.5
12 - 20mm .5 - .8 0.3
5.6 3.5
20 - 30mm .8 - 1.2 0.3
8.3 5.2
30 - 50mm 1.2 - 2 0.3
13 10
50 - 100mm 2 - 4 0.3
17 14
100 - 300mm 4 - 12 12.4 21
13.8
SERIES 368 — Three-PointTwo-Point Internal Micrometers
These Holtests are versatile, self-centering three-point internal micrometers for the
accurate and effi cient direct-measurement of internal diameters. Three anvils, evenly
spaced at 120° apart, contact the internal wall surfaces and fi nd true alignment
with the axis of the bore for accurate ID measurement.
ÊVÌi`ÊVÌVÌÊ«ÌÃ excluding models up to
12mm.5
FEATURES
UÊ VÌi`ÊiÃÕÀ}ÊVÌVÌÊ«ÌÃ over 6mm .275” range models provide
excellent durability and impact resistance and allow the instrument to measure to
the bottom of a blind hole up to 100mm 4”models.
UÊ}
ÞÊ`ÕÀLiÊLiVÕÃiÊvÊVÀL`iÌ««i`Ê contact points
anvils up to 12mm .5”models. UÊ
ÊiÃÕÀiÊ`ii«Ê
iÃÊÕÃ}ÊÊ
ÝÌiÃÊ
rod optional which is available on models over 6mm .275 measuring range.
UÊ7Ì
Ê,ÌV
iÌÊ-Ì«ÊvÀÊVÃÌÌÊvÀVi° UÊ-iÌÌ}Ê,}ÃÊvÀÊâiÀÊ«ÌÊ`ÕÃÌiÌÊÀiÊ
optional. UÊ-Õ««i`ÊÊwÊÌÌi`Ê«ÃÌVÊVÃiÊÕ«ÊÌÊ
100mm 4”. Over 100mm 4” supplied in wooden case.
Technical Data
Graduation: 0.001mm, 0.005mm, .0001 or .0002 over 12mm or .5” models
Range L
Mass g 40 - 50mm 1.6 - 2
102 330 50 - 63mm 2 - 2.5
105 440 62 - 75mm 2.5 - 3
105 450 75 - 88mm 3 - 3.5
105 490 87 - 100mm 3.5 - 4
105 500 100 - 125mm 4 - 5
161 1050 125 - 150mm 5 - 6
161 1120 150 - 175mm 6 - 7
161 1190 175 - 200mm 7 - 8
161 1260 200 - 225mm 8 - 9
161 1420 225 - 250mm 9 - 10
161 1580 250 - 275mm 10 - 11 161 1600
275 - 300mm 11 - 12 161 1690 Range
L Mass g
2 - 2.5mm .08 - .1” 12
88 2.5 - 3mm .1 - .12
12 88
3 - 4mm .12 - .16 22
91 4 - 5mm .16 - .2
22 91
5 - 6mm .2 - .24 22
91 6 - 8mm .275 - .35
59 57
8 - 10mm .35 - .425 59 58
10 - 12mm .425 - .5 59 59
12 - 16mm .5 - .65 82
140 16 - 20mm .65 - .8
82 145
20 - 25mm .8 - 1 94
250 25 - 30mm 1 - 1.2
94 270
30 - 40mm 1.2 - 1.6 102 290
Using the optional extension rod
368-001
368-174 368-268
Two-point contact type
Range Measuring
method Contact-point
material 2 - 3mm .08 - .12 Two-point
method Hardened steel
HRC60.5 or more 3 - 6mm .12 - .28 Two-point
method Hardened steel
HRC60.5 or more 6 - 12mm .28 - .5 Three-point
method Carbide
over 12mm over .5 Three-point method
ÊVÌ}Ê 1700-2000Hv
Optional Accessories
952322:
Extension rod 100mm 3.94” Ê
ÀÊÀ}iÊÈ£ÓÊÉÊ°ÓÇx°x»Ê`iÃ
952621: Extension rod 150mm 5.9”